Calculating machine



March 14, 1933. J. G. DUNKER CALCULATING MACHINE Filed March 23 19 l5 24 Sheets-Sheet l March 14, 1933.

J. G. DUNKR CALGULATING MACHINE Filed March 23, 1915 24 Sheets-Sheet 2 @mmv hema 24 Sheets-Sheet 3 J. G. DUNKER CALCULAT ING MACHI NE Filed March 25 March 14, 1933.

March 14, 1933. J G DUNKER 1,901,152

GALCULATI'NG MACHINE March 14, 1933.

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CALCULATING MACHINE Filed March 23, 1915 24 Sheets-Sheet 6 March 14, 1933.. J, G. DUNKER 1,901,152`

CALCULIATING` MACHINE Marchlz, 1933. J G DUNKER 1,901,152`

CALCULAT ING MACHINE Filed March 25, 1915 24 sheets-sheet s HHIIHHHHI.

v cre/for March 14, 1933. J. G. DUNKER 1,901,152

' CALCULATING MACHINE Filed March 23,. 1915 24 Sheets-Sheet 9 f' wlmi -illlllllllllll Tm ven for.'

March 14, 1933. J. G. DUNKER CALCULATING MACHINE Filed March 23, 1915 24 Sheets-Sheet 10 March 14, 1933. J. G. DUNKER CALCULATING MACHINE Filed March 23, 1915 24 Sheets-Sheet ll March 14, 1933. 1 Q DUNKER CALCULATING MACHlNE Filed March 23, 1915 l24 Sheets-Sheet l2 MlCh 14, J G. DUNKER 1,901,152

CALCULATING MACHINE Filed March 25, 1915 24 Sheets-Sheet 13 March 14, 1933.

J. G. DUNKER CALCULATING MACHINE Filed March 23, 1915 24 sheets-'sheet 14 March 14, 1933. J. G. DuNKER CALCULATING MACHINE Filed March 23, 1915 24 Sheets-Sheet l5 www.

MalCh 14, 1933. 1 Q DUNKER CALCULATING MACHINE 24 sheets-sheet ie Filed March 23,v 1915 March 14, 1933. J. G. DuNKl-:R

CALQLATING MACHINE 24 YSheets-Sheet 17 Filed March 23, 1915 March 14, 1933. J. G. DUNKER 1,901,152

CALCULATING MACHINE Filed March 23, 1915 24 Sheets-Sheet 18 gli.

March 14, 1933.

J. ca DUNKER CALCULAT ING MACHINE Filed March 25, 1915 24 Sheets-Sheet 19 March 14, 1933. J. G. DuNKl-:R 1,901,152

CALCULATING MACHINE Filed March 25, 1915 24 Sheets-Sheet 2O 

